Green’s Dictionary of Slang

charge v.3

(N.Z. prison)

to carry contraband, e.g. drugs, in the rectum or vagina, thus charged (up), carrying such contraband, charging smuggling such contraband into prison.

1999
19992000
2001
[NZ]D. Looser ‘Boob Jargon’ in NZEJ 13 28: chargev. To insert illegal contraband into one's rectum / vagina.
[NZ]D. Looser Boobslang [U. Canterbury D.Phil. thesis] 40/2: charged adj. charged (also charged up) carrying contraband in one’s rectum or vagina.
[NZ]D. Looser Boobslang [U. Canterbury D.Phil. thesis] 40/2: charging n. the act of smuggling drugs into prison.

In derivatives

charger (n.)

a small container than can be filled with contraband and then inserted into the rectum or vagaina for smuggling purposes.

[NZ]D. Looser Boobslang [U. Canterbury D.Phil. thesis] 40/2: charger n. a small container, usually made of plastic, that an inmate may use to hold contraband concealed in the rectum or vagina.